<span> i think it is heterotrophic</span>
A mutation is a new element added to the genetic buildup of an organism. this leads to new abilities that makes that organism adapt to different things, this is passed down through the organisms descendants which will help them get through situations other organisms can't, thus helping the entire species evolve.
Digestion of the sugar athelose in this theoretical framework is controlled by an operon that displays both positive control and negative control. Translation of the ath operon is turned on when athelose is available, and accelerated when the bacterium comes up short on glucose and must depend on athelose for vitality.